Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 7 - Confidence Intervals and Sample - Chapter Quiz: 11

Answer

90%, 95% and 99%.

Work Step by Step

The three confidence levels used most often are the 90%, 95% and 99%.
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